builtin-fetch: add --prune option
[gitweb.git] / builtin-branch.c
index 07a440eebacc1aa4e944874704bedfed7efb00e8..9f57992062314a3d8d168b5cfb6b3c6737605033 100644 (file)
@@ -121,11 +121,7 @@ static int delete_branches(int argc, const char **argv, int force, int kinds)
                        die("Couldn't look up commit object for HEAD");
        }
        for (i = 0; i < argc; i++, strbuf_release(&bname)) {
-               int len = strlen(argv[i]);
-
-               if (interpret_nth_last_branch(argv[i], &bname) != len)
-                       strbuf_add(&bname, argv[i], len);
-
+               strbuf_branchname(&bname, argv[i]);
                if (kinds == REF_LOCAL_BRANCH && !strcmp(head, bname.buf)) {
                        error("Cannot delete the branch '%s' "
                              "which you are currently on.", bname.buf);
@@ -195,7 +191,7 @@ struct ref_item {
 
 struct ref_list {
        struct rev_info revs;
-       int index, alloc, maxwidth;
+       int index, alloc, maxwidth, verbose, abbrev;
        struct ref_item *list;
        struct commit_list *with_commit;
        int kinds;
@@ -244,21 +240,24 @@ static int append_ref(const char *refname, const unsigned char *sha1, int flags,
        if (ARRAY_SIZE(ref_kind) <= i)
                return 0;
 
-       commit = lookup_commit_reference_gently(sha1, 1);
-       if (!commit)
-               return error("branch '%s' does not point at a commit", refname);
-
-       /* Filter with with_commit if specified */
-       if (!is_descendant_of(commit, ref_list->with_commit))
-               return 0;
-
        /* Don't add types the caller doesn't want */
        if ((kind & ref_list->kinds) == 0)
                return 0;
 
-       if (merge_filter != NO_FILTER)
-               add_pending_object(&ref_list->revs,
-                                  (struct object *)commit, refname);
+       commit = NULL;
+       if (ref_list->verbose || ref_list->with_commit || merge_filter != NO_FILTER) {
+               commit = lookup_commit_reference_gently(sha1, 1);
+               if (!commit)
+                       return error("branch '%s' does not point at a commit", refname);
+
+               /* Filter with with_commit if specified */
+               if (!is_descendant_of(commit, ref_list->with_commit))
+                       return 0;
+
+               if (merge_filter != NO_FILTER)
+                       add_pending_object(&ref_list->revs,
+                                          (struct object *)commit, refname);
+       }
 
        /* Resize buffer */
        if (ref_list->index >= ref_list->alloc) {
@@ -305,19 +304,30 @@ static int ref_cmp(const void *r1, const void *r2)
        return strcmp(c1->name, c2->name);
 }
 
-static void fill_tracking_info(struct strbuf *stat, const char *branch_name)
+static void fill_tracking_info(struct strbuf *stat, const char *branch_name,
+               int show_upstream_ref)
 {
        int ours, theirs;
        struct branch *branch = branch_get(branch_name);
 
-       if (!stat_tracking_info(branch, &ours, &theirs) || (!ours && !theirs))
+       if (!stat_tracking_info(branch, &ours, &theirs)) {
+               if (branch && branch->merge && branch->merge[0]->dst &&
+                   show_upstream_ref)
+                       strbuf_addf(stat, "[%s] ",
+                           shorten_unambiguous_ref(branch->merge[0]->dst, 0));
                return;
+       }
+
+       strbuf_addch(stat, '[');
+       if (show_upstream_ref)
+               strbuf_addf(stat, "%s: ",
+                       shorten_unambiguous_ref(branch->merge[0]->dst, 0));
        if (!ours)
-               strbuf_addf(stat, "[behind %d] ", theirs);
+               strbuf_addf(stat, "behind %d] ", theirs);
        else if (!theirs)
-               strbuf_addf(stat, "[ahead %d] ", ours);
+               strbuf_addf(stat, "ahead %d] ", ours);
        else
-               strbuf_addf(stat, "[ahead %d, behind %d] ", ours, theirs);
+               strbuf_addf(stat, "ahead %d, behind %d] ", ours, theirs);
 }
 
 static int matches_merge_filter(struct commit *commit)
@@ -383,7 +393,7 @@ static void print_ref_item(struct ref_item *item, int maxwidth, int verbose,
                }
 
                if (item->kind == REF_LOCAL_BRANCH)
-                       fill_tracking_info(&stat, item->name);
+                       fill_tracking_info(&stat, item->name, verbose > 1);
 
                strbuf_addf(&out, " %s %s%s",
                        find_unique_abbrev(item->commit->object.sha1, abbrev),
@@ -408,18 +418,38 @@ static int calc_maxwidth(struct ref_list *refs)
        return w;
 }
 
+
+static void show_detached(struct ref_list *ref_list)
+{
+       struct commit *head_commit = lookup_commit_reference_gently(head_sha1, 1);
+
+       if (head_commit && is_descendant_of(head_commit, ref_list->with_commit)) {
+               struct ref_item item;
+               item.name = xstrdup("(no branch)");
+               item.len = strlen(item.name);
+               item.kind = REF_LOCAL_BRANCH;
+               item.dest = NULL;
+               item.commit = head_commit;
+               if (item.len > ref_list->maxwidth)
+                       ref_list->maxwidth = item.len;
+               print_ref_item(&item, ref_list->maxwidth, ref_list->verbose, ref_list->abbrev, 1, "");
+               free(item.name);
+       }
+}
+
 static void print_ref_list(int kinds, int detached, int verbose, int abbrev, struct commit_list *with_commit)
 {
        int i;
        struct ref_list ref_list;
-       struct commit *head_commit = lookup_commit_reference_gently(head_sha1, 1);
 
        memset(&ref_list, 0, sizeof(ref_list));
        ref_list.kinds = kinds;
+       ref_list.verbose = verbose;
+       ref_list.abbrev = abbrev;
        ref_list.with_commit = with_commit;
        if (merge_filter != NO_FILTER)
                init_revisions(&ref_list.revs, NULL);
-       for_each_ref(append_ref, &ref_list);
+       for_each_rawref(append_ref, &ref_list);
        if (merge_filter != NO_FILTER) {
                struct commit *filter;
                filter = lookup_commit_reference_gently(merge_filter_ref, 0);
@@ -435,19 +465,8 @@ static void print_ref_list(int kinds, int detached, int verbose, int abbrev, str
        qsort(ref_list.list, ref_list.index, sizeof(struct ref_item), ref_cmp);
 
        detached = (detached && (kinds & REF_LOCAL_BRANCH));
-       if (detached && head_commit &&
-           is_descendant_of(head_commit, with_commit)) {
-               struct ref_item item;
-               item.name = xstrdup("(no branch)");
-               item.len = strlen(item.name);
-               item.kind = REF_LOCAL_BRANCH;
-               item.dest = NULL;
-               item.commit = head_commit;
-               if (item.len > ref_list.maxwidth)
-                       ref_list.maxwidth = item.len;
-               print_ref_item(&item, ref_list.maxwidth, verbose, abbrev, 1, "");
-               free(item.name);
-       }
+       if (detached)
+               show_detached(&ref_list);
 
        for (i = 0; i < ref_list.index; i++) {
                int current = !detached &&
@@ -468,22 +487,27 @@ static void rename_branch(const char *oldname, const char *newname, int force)
        struct strbuf oldref = STRBUF_INIT, newref = STRBUF_INIT, logmsg = STRBUF_INIT;
        unsigned char sha1[20];
        struct strbuf oldsection = STRBUF_INIT, newsection = STRBUF_INIT;
+       int recovery = 0;
 
        if (!oldname)
                die("cannot rename the current branch while not on any.");
 
-       strbuf_addf(&oldref, "refs/heads/%s", oldname);
-
-       if (check_ref_format(oldref.buf))
-               die("Invalid branch name: %s", oldref.buf);
-
-       strbuf_addf(&newref, "refs/heads/%s", newname);
+       if (strbuf_check_branch_ref(&oldref, oldname)) {
+               /*
+                * Bad name --- this could be an attempt to rename a
+                * ref that we used to allow to be created by accident.
+                */
+               if (resolve_ref(oldref.buf, sha1, 1, NULL))
+                       recovery = 1;
+               else
+                       die("Invalid branch name: '%s'", oldname);
+       }
 
-       if (check_ref_format(newref.buf))
-               die("Invalid branch name: %s", newref.buf);
+       if (strbuf_check_branch_ref(&newref, newname))
+               die("Invalid branch name: '%s'", newname);
 
        if (resolve_ref(newref.buf, sha1, 1, NULL) && !force)
-               die("A branch named '%s' already exists.", newname);
+               die("A branch named '%s' already exists.", newref.buf + 11);
 
        strbuf_addf(&logmsg, "Branch: renamed %s to %s",
                 oldref.buf, newref.buf);
@@ -492,6 +516,9 @@ static void rename_branch(const char *oldname, const char *newname, int force)
                die("Branch rename failed");
        strbuf_release(&logmsg);
 
+       if (recovery)
+               warning("Renamed a misnamed branch '%s' away", oldref.buf + 11);
+
        /* no need to pass logmsg here as HEAD didn't really move */
        if (!strcmp(oldname, head) && create_symref("HEAD", newref.buf, NULL))
                die("Branch renamed to %s, but HEAD is not updated!", newname);
@@ -532,7 +559,7 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
        struct option options[] = {
                OPT_GROUP("Generic options"),
                OPT__VERBOSE(&verbose),
-               OPT_SET_INT( 0 , "track",  &track, "set up tracking mode (see git-pull(1))",
+               OPT_SET_INT('t', "track",  &track, "set up tracking mode (see git-pull(1))",
                        BRANCH_TRACK_EXPLICIT),
                OPT_BOOLEAN( 0 , "color",  &branch_use_color, "use colored output"),
                OPT_SET_INT('r', NULL,     &kinds, "act on remote-tracking branches",
@@ -559,7 +586,7 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
                OPT_BIT('m', NULL, &rename, "move/rename a branch and its reflog", 1),
                OPT_BIT('M', NULL, &rename, "move/rename a branch, even if target exists", 2),
                OPT_BOOLEAN('l', NULL, &reflog, "create the branch's reflog"),
-               OPT_BOOLEAN('f', NULL, &force_create, "force creation (when already exists)"),
+               OPT_BOOLEAN('f', "force", &force_create, "force creation (when already exists)"),
                {
                        OPTION_CALLBACK, 0, "no-merged", &merge_filter_ref,
                        "commit", "print only not merged branches",
@@ -595,7 +622,8 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
        }
        hashcpy(merge_filter_ref, head_sha1);
 
-       argc = parse_options(argc, argv, options, builtin_branch_usage, 0);
+       argc = parse_options(argc, argv, prefix, options, builtin_branch_usage,
+                            0);
        if (!!delete + !!rename + !!force_create > 1)
                usage_with_options(builtin_branch_usage, options);